(03-12-2018 01:50 AM)lenox Wrote: problem is I have on the thread list page no possibility to select a thread for inline moderation.

If this only happens to the Gallery, you can use Moderation Options from Showthread page(?).
Also, you can add {$modbit} variable in your gal_forumdisplay_thread template for displaying the checkbox to select thread(s) from thread list.